package w14;

public class s04 {

	public static void main(String[] args) {
		int n=15;
		for(int i=1,h=1;i<n;++h) {
			for(int j=0; j<h; ++i, ++j) {
				System.out.printf("%-6d",i);
				
			}
			System.out.println();
		}

	}

}
